Cellular Energy-Chapter 8 Exam

Which defines energy?

• Ability to do work
• creation of heat
• increase of disorder
• power to change

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Which is the biological importance of the molecule ATP?

• creates glucose from light
• makes biological proteins
• provides chemical energy
• repairs cell membranes

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Which occurs during the Krebs cycle?

• breaking down pyruvate
• capturing light energy
• creating glucose molecules
• producing ethyl alcohol

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A bacterium converts light energy into cellular energy during

• cellular respiration
• glycolysis
• photosynthesis

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A cell uses oxygen to break down molecules, generating energy

• cellular respiration
• glycolysis
• photosynthesis

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One molecule of glucose is broken down into two pyruvate molecules

• cellular respiration
• glycolysis
• photosynthesis

What does the First Law of Thermodynamics state?

• Energy can be converted from one form to another, but not created or destroyed
• Systems spontaneously change from orderly to disorderly states
• Photosynthesis

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What is an aerobic process?

• A process requiring oxygen
• A process not requiring oxygen

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What is an anaerobic process?

• A process requiring oxygen
• A process not requiring oxygen

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An oak tree is a 

• autotroph
• heterotroph

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